Halfway through her run when the music stopped playing, was there energy in Mila’s phone? Why or why not?

What is the kinetic energy of a 10-kg bicycle moving at 10 m/s

**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?